mysqldump
golang 实现的零依赖、高性能、并发 mysqldump 工具。
我的项目地址: https://github.com/dengjiawen8955/mysqldump/blob/master/README-zh.md
文章地址: https://bmft.tech/#/2-program/0325-golang-implements-mysqldump
Features
- 自定义 Writer: 如本地文件、多文件贮存、近程服务器、云存储等。（默认控制台输入）。
- 反对所有 MYSQL 数据类型.
- 反对 INSERT Merge, 大幅晋升数据恢复性能
QuickStart
Create Table and Insert Test Data
DROP TABLE IF EXISTS `test`;CREATE TABLE `test` ( `id` bigint unsigned NOT NULL AUTO_INCREMENT, `char_col` char(10) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci DEFAULT NULL, `varchar_col` varchar(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci DEFAULT NULL, `binary_col` binary(10) DEFAULT NULL, `varbinary_col` varbinary(255) DEFAULT NULL, `tinyblob_col` tinyblob, `tinytext_col` tinytext CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci, `text_col` text CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci, `blob_col` blob, `mediumtext_col` mediumtext CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci, `mediumblob_col` mediumblob, `longtext_col` longtext CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci, `longblob_col` longblob, `enum_col` enum('value1','value2','value3') CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci DEFAULT NULL, `set_col` set('value1','value2','value3') CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci DEFAULT NULL, `bit_col` bit(8) DEFAULT NULL, `tinyint_col` tinyint NOT NULL DEFAULT '0', `bool_col` tinyint(1) NOT NULL DEFAULT '0', `boolean_col` tinyint(1) NOT NULL DEFAULT '0', `smallint_col` smallint NOT NULL DEFAULT '0', `mediumint_col` mediumint NOT NULL DEFAULT '0', `int_col` int NOT NULL DEFAULT '0', `integer_col` int NOT NULL DEFAULT '0', `bigint_col` bigint NOT NULL DEFAULT '0', `float_col` float(8,2) NOT NULL DEFAULT '0.00', `double_col` double(8,2) NOT NULL DEFAULT '0.00', `decimal_col` decimal(10,2) NOT NULL DEFAULT '0.00', `dec_col` decimal(10,2) NOT NULL DEFAULT '0.00', `date_col` date DEFAULT NULL, `datetime_col` datetime DEFAULT NULL, `timestamp_col` timestamp NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP, `time_col` time DEFAULT NULL, `year_col` year DEFAULT NULL, PRIMARY KEY (`id`)) ENGINE=InnoDB AUTO_INCREMENT=3 DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_general_ci;INSERT INTO `test` VALUES (1,'abc','def',0x61626300000000000000,0x646566,0x74696E79626C6F62,'Hello','World',0x776F726C64,'Medium Text',0x4D656469756D426C6F62,'Long Text',0x4C6F6E67426C6F62,'value2','value1,value3',0x66,-128,1,0,-32768,-8388608,-2147483648,-2147483648,-9223372036854775808,1234.56,1234.56,1234.56,1234.56,'2023-03-17','2023-03-17 10:00:00','2023-03-17 14:04:46','10:00:00',2023);Dump SQL
import ( "os" "github.com/dengjiawen8955/mysqldump")func main() { dns := "root:rootpasswd@tcp(localhost:3306)/dbname?charset=utf8mb4&parseTime=true&loc=Asia%2FShanghai" f, _ := os.Create("dump.sql") _ = mysqldump.Dump( dns, // DNS mysqldump.WithDropTable(), // Option: Delete table before create (Default: Not delete table) mysqldump.WithData(), // Option: Dump Data (Default: Only dump table schema) mysqldump.WithTables("test"), // Option: Dump Tables (Default: All tables) mysqldump.WithWriter(f), // Option: Writer (Default: os.Stdout) mysqldump.WithDBs("dc3"), // Option: Dump Dbs (Default: db in dns) )}Output File dump.sql
-- ------------------------------ MySQL Database Dump-- Start Time: 2023-03-17 16:07:47-- ----------------------------DROP TABLE IF EXISTS `test`;-- ------------------------------ Table structure for test-- ----------------------------CREATE TABLE `test` ( `id` bigint unsigned NOT NULL AUTO_INCREMENT, `char_col` char(10) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci DEFAULT NULL, `varchar_col` varchar(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci DEFAULT NULL, `binary_col` binary(10) DEFAULT NULL, `varbinary_col` varbinary(255) DEFAULT NULL, `tinyblob_col` tinyblob, `tinytext_col` tinytext CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci, `text_col` text CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci, `blob_col` blob, `mediumtext_col` mediumtext CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci, `mediumblob_col` mediumblob, `longtext_col` longtext CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci, `longblob_col` longblob, `enum_col` enum('value1','value2','value3') CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci DEFAULT NULL, `set_col` set('value1','value2','value3') CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci DEFAULT NULL, `bit_col` bit(8) DEFAULT NULL, `tinyint_col` tinyint NOT NULL DEFAULT '0', `bool_col` tinyint(1) NOT NULL DEFAULT '0', `boolean_col` tinyint(1) NOT NULL DEFAULT '0', `smallint_col` smallint NOT NULL DEFAULT '0', `mediumint_col` mediumint NOT NULL DEFAULT '0', `int_col` int NOT NULL DEFAULT '0', `integer_col` int NOT NULL DEFAULT '0', `bigint_col` bigint NOT NULL DEFAULT '0', `float_col` float(8,2) NOT NULL DEFAULT '0.00', `double_col` double(8,2) NOT NULL DEFAULT '0.00', `decimal_col` decimal(10,2) NOT NULL DEFAULT '0.00', `dec_col` decimal(10,2) NOT NULL DEFAULT '0.00', `date_col` date DEFAULT NULL, `datetime_col` datetime DEFAULT NULL, `timestamp_col` timestamp NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP, `time_col` time DEFAULT NULL, `year_col` year DEFAULT NULL, PRIMARY KEY (`id`)) ENGINE=InnoDB AUTO_INCREMENT=3 DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_general_ci;-- ------------------------------ Records of test-- ----------------------------INSERT INTO `test` VALUES (1,'abc','def',0x61626300000000000000,0x646566,0x74696E79626C6F62,'Hello','World',0x776F726C64,'Medium Text',0x4D656469756D426C6F62,'Long Text',0x4C6F6E67426C6F62,'value2','value1,value3',0x66,-128,1,0,-32768,-8388608,-2147483648,-2147483648,-9223372036854775808,1234.56,1234.56,1234.56,1234.56,'2023-03-17','2023-03-17 10:00:00','2023-03-17 14:04:46','10:00:00',2023);-- ------------------------------ Dumped by mysqldump2-- Cost Time: 7.364804ms-- ----------------------------Source SQL
import ( "os" "github.com/dengjiawen8955/mysqldump")func main() { dns := "root:rootpasswd@tcp(localhost:3306)/dbname?charset=utf8mb4&parseTime=true&loc=Asia%2FShanghai" f, _ := os.Open("dump.sql") _ = mysqldump.Source( dns, f, mysqldump.WithMergeInsert(1000),// Option: Merge insert 1000 (Default: Not merge insert) )}本文由mdnice多平台公布